diff --git a/checkpoint.json b/checkpoint.json
new file mode 100644
index 000000000..b8a540f8b
--- /dev/null
+++ b/checkpoint.json
@@ -0,0 +1,57 @@
+{
+  "timestamp": "2026-03-16T12:08:54.608535Z",
+  "current_node": "setup",
+  "completed_nodes": [
+    "start",
+    "setup"
+  ],
+  "node_retries": {
+    "start": 1,
+    "setup": 1
+  },
+  "context_values": {
+    "internal.run_id": "01KKV8RZMG00PMJEH60S957SFP",
+    "failure_class": "deterministic",
+    "command.output": "fatal: destination path '.' already exists and is not an empty directory.\n",
+    "failure_signature": "setup|deterministic|script failed with exit code: <n> ## stdout fatal: destination path '.' already exists and is not an empty directory.",
+    "internal.retry_count.setup": 1,
+    "internal.thread_id": "start",
+    "internal.node_visit_count": 1,
+    "graph.goal": "ForeignKey's to_field parameter gets the old field's name when renaming a PrimaryKey.\nDescription\n\t\nHaving these two models \nclass ModelA(models.Model):\n\tfield_wrong = models.CharField('field1', max_length=50, primary_key=True) # I'm a Primary key.\nclass ModelB(models.Model):\n\tfield_fk = models.ForeignKey(ModelA, blank=True, null=True, on_delete=models.CASCADE) \n... migrations applyed ...\nthe ModelA.field_wrong field has been renamed ... and Django recognizes the \"renaming\"\n# Primary key renamed\nclass ModelA(models.Model):\n\tfield_fixed = models.CharField('field1', max_length=50, primary_key=True) # I'm a Primary key.\nAttempts to to_field parameter. \nThe to_field points to the old_name (field_typo) and not to the new one (\"field_fixed\")\nclass Migration(migrations.Migration):\n\tdependencies = [\n\t\t('app1', '0001_initial'),\n\t]\n\toperations = [\n\t\tmigrations.RenameField(\n\t\t\tmodel_name='modela',\n\t\t\told_name='field_wrong',\n\t\t\tnew_name='field_fixed',\n\t\t),\n\t\tmigrations.AlterField(\n\t\t\tmodel_name='modelb',\n\t\t\tname='modela',\n\t\t\tfield=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='app1.ModelB', to_field='field_wrong'),\n\t\t),\n\t]\n\n\n\n## Additional Context\n\nThanks for this ticket. It looks like a regression in dcdd219ee1e062dc6189f382e0298e0adf5d5ddf, because an AlterField operation wasn't generated in such cases before this change (and I don't think we need it).",
+    "command.stderr": "",
+    "current_node": "setup",
+    "outcome": "fail",
+    "graph.rankdir": "LR",
+    "internal.fidelity": "compact",
+    "current.preamble": "Goal: ForeignKey's to_field parameter gets the old field's name when renaming a PrimaryKey.\nDescription\n\t\nHaving these two models \nclass ModelA(models.Model):\n\tfield_wrong = models.CharField('field1', max_length=50, primary_key=True) # I'm a Primary key.\nclass ModelB(models.Model):\n\tfield_fk = models.ForeignKey(ModelA, blank=True, null=True, on_delete=models.CASCADE) \n... migrations applyed ...\nthe ModelA.field_wrong field has been renamed ... and Django recognizes the \"renaming\"\n# Primary key renamed\nclass ModelA(models.Model):\n\tfield_fixed = models.CharField('field1', max_length=50, primary_key=True) # I'm a Primary key.\nAttempts to to_field parameter. \nThe to_field points to the old_name (field_typo) and not to the new one (\"field_fixed\")\nclass Migration(migrations.Migration):\n\tdependencies = [\n\t\t('app1', '0001_initial'),\n\t]\n\toperations = [\n\t\tmigrations.RenameField(\n\t\t\tmodel_name='modela',\n\t\t\told_name='field_wrong',\n\t\t\tnew_name='field_fixed',\n\t\t),\n\t\tmigrations.AlterField(\n\t\t\tmodel_name='modelb',\n\t\t\tname='modela',\n\t\t\tfield=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='app1.ModelB', to_field='field_wrong'),\n\t\t),\n\t]\n\n\n\n## Additional Context\n\nThanks for this ticket. It looks like a regression in dcdd219ee1e062dc6189f382e0298e0adf5d5ddf, because an AlterField operation wasn't generated in such cases before this change (and I don't think we need it).\n",
+    "thread.start.current_node": "setup",
+    "internal.retry_count.start": 1
+  },
+  "logs": [],
+  "node_outcomes": {
+    "setup": {
+      "status": "fail",
+      "context_updates": {
+        "command.output": "fatal: destination path '.' already exists and is not an empty directory.\n",
+        "command.stderr": ""
+      },
+      "failure": {
+        "message": "Script failed with exit code: 128\n\n## stdout\nfatal: destination path '.' already exists and is not an empty directory.\n",
+        "failure_class": "deterministic"
+      },
+      "duration_ms": 31
+    },
+    "start": {
+      "status": "success",
+      "duration_ms": 0
+    }
+  },
+  "next_node_id": "solve",
+  "loop_failure_signatures": {
+    "setup|deterministic|script failed with exit code: <n> ## stdout fatal: destination path '.' already exists and is not an empty directory.": 1
+  },
+  "node_visits": {
+    "start": 1,
+    "setup": 1
+  }
+}
\ No newline at end of file
diff --git a/nodes/setup/script_invocation.json b/nodes/setup/script_invocation.json
new file mode 100644
index 000000000..5bf305938
--- /dev/null
+++ b/nodes/setup/script_invocation.json
@@ -0,0 +1,5 @@
+{
+  "command": "git clone https://github.com/django/django.git . && git checkout d232fd76a85870daf345fd8f8d617fe7802ae194 && python -m pip install -e .",
+  "language": "shell",
+  "timeout_ms": null
+}
\ No newline at end of file
diff --git a/nodes/setup/script_timing.json b/nodes/setup/script_timing.json
new file mode 100644
index 000000000..fff526dc0
--- /dev/null
+++ b/nodes/setup/script_timing.json
@@ -0,0 +1,5 @@
+{
+  "duration_ms": 31,
+  "exit_code": 128,
+  "timed_out": false
+}
\ No newline at end of file
diff --git a/nodes/setup/status.json b/nodes/setup/status.json
new file mode 100644
index 000000000..57713c5e3
--- /dev/null
+++ b/nodes/setup/status.json
@@ -0,0 +1,6 @@
+{
+  "status": "fail",
+  "notes": null,
+  "failure_reason": "Script failed with exit code: 128\n\n## stdout\nfatal: destination path '.' already exists and is not an empty directory.\n",
+  "timestamp": "2026-03-16T12:08:54.608395+00:00"
+}
\ No newline at end of file
diff --git a/nodes/start/status.json b/nodes/start/status.json
new file mode 100644
index 000000000..24e9192b3
--- /dev/null
+++ b/nodes/start/status.json
@@ -0,0 +1,6 @@
+{
+  "status": "success",
+  "notes": null,
+  "failure_reason": null,
+  "timestamp": "2026-03-16T12:08:54.575896+00:00"
+}
\ No newline at end of file